Category:Server

  • Talk about webrtc gateway server 2: how to choose the peerconnection scheme?

    Time:2020-1-18

    The series of articles about webrtc gateway server is compiled by webrtcon 2018 China Netease cloud audio and video technology expert’s sharing content “building an audio and video gateway server from scratch”. This series of articles will share with you some problems encountered by Netease NrtC in the self-study process of webrtc Gateway project and […]

  • How can docker play like this? Commercial level 4G agent construction practice!

    Time:2020-1-18

    Time flies fast. It’s two weeks since the last article in this series, “commercial 4G agent building guide [preparation],” was released. Last week, due to all kinds of trivia, I had no time to write articles since Tuesday, so I googled. In the preparation part, we have learned about the hardware and software needed to […]

  • Zooteam front end weekly No.60

    Time:2020-1-18

    Zhengcaiyun front end tabloid No.60 For more details on previous tabloids, please visit: https://weekly.zoo.team Learn the overall architecture of the source code of vuex, and build your own state management library This paper introduces the vuex, Vue source debugging method and vuex principle in detail A record of the realization of react native waterfall flow […]

  • An example of alarm function in Linux

    Time:2020-1-18

    Introduction to Linux alarm function Upper Code: #include <stdio.h> #include <unistd.h> #include <stdlib.h> #include <signal.h> int main(int argc, char *argv[]) { alarm(5); sleep(20); printf(“end!\n”); return 0; } After running for 5 seconds, the kernel issuesSIGALRMInformation, the process is terminated, so the result of the above procedure is: Alarm clock Of course, we can also define […]

  • Installation and operation of Supervisor

    Time:2020-1-17

    supervisor 1、 Install supervisor installation Note: all of the following operations are performed in centos7 1. Install centos7 extended software warehouse sudo yum install -y epel-release 2. Install Supervisor yum install -y supervisor 3. View the installation path rpm -ql supervisor 4. Modify and define INI file step1: Find the file of the supervisor’s configuration. […]

  • Remote desktop meeting

    Time:2020-1-17

    Remote desktop meetingIIS7 remote control:1. The latest version of IIS7 remote desktop management in Chinese is a professional remote desktop management tool, which updates the original 09 network remote desktop management. Compared with the previous version, it is more convenient to operate. It can remote multiple servers at the same time, and can switch freely […]

  • Front end interview 3 + 1-152th day

    Time:2020-1-17

    Today’s knowledge (September 15, 2019) – day 152 [HTML] tell me about your understanding of small tags. What are the application scenarios? How to use multi column layout of CSS? [JS] Why does CORS distinguish between pre check requests and simple requests? [soft skills] what’s the difference between memory and cache? In the Analects of […]

  • Laravel 5.1 — get user’s login status, simple application of event, monitoring and Middleware

    Time:2020-1-17

    There are many aspects of events, such as logging in, buying goods, searching, viewing articles, and so on. After the listener listens to the event, it performs some operations.LaravelThe observer mode is used to implement this monitoring mechanism. Now we will explain an event through a user login, monitor an event and trigger the whole […]

  • The difference between. Bashrc and. Bash? Profile

    Time:2020-1-17

    To distinguish the difference between the two, we must first make clearlogin shellandno-login shellThe difference between. login shell When you enter the user name and password through the terminal, and then enter terminal, the shell environment you enter is called login shell, for example, throughsshRemote access to the host. no-login shell As the name implies, […]

  • High performance network communication framework netty basic concepts

    Time:2020-1-17

    Abstract:Netty is a NiO framework that can easily and quickly develop protocol server and client network applications. It greatly simplifies the network programming of TCP or UDP server, but you can still access and use the underlying API. Netty just abstracts it at a high level. I. Preface Netty is a NiO framework that can […]

  • HTTP cache and Etag record

    Time:2020-1-17

    1. HTTP message introduction HTTP message is the data block sent and responded when the browser and server communicate.The browser requests data from the server and sends request message; the server returns data to the browser and returns response message. Message information mainly includes:1. Start line ———— the first line of the message is the […]

  • Environmental variables

    Time:2020-1-17

    For a long time, the configuration of environment variables is a matter of insight, and the configuration of environment variables is not clear.Now let’s make up for the deficiencies. The main contents include: HOME Why do I need $, can’t I print home directly? Is there only one home variable in a system? How to […]